Flora of Barro Colorado Island

Sorocea affinis

Hemsl., Biol. Centr.-Amer. Bot. 3:150.1883


Dioecious tree, usually less than 6 m tall (to 15 m), gla­brous but the leaves occasionally puberulent; branchlets grayish, sometimes lenticellate; sap milky. Leaves alter­nate; petioles 5-10 mm long; stipules lateral, ovate, paired, 2-5 mm long, caducous; blades oblong to oblong-obovate, caudate-acuminate at apex, narrowing to acute or rounded base, 7-16 (18) cm long, 2.5-5.5 (7.2) cm wide, entire or rarely bluntly serrate, the major lateral veins conspicuous below, loop-connected. Racemes puberulent, axillary; staminate racemes soon falling, 2-8 cm long, cream-­colored, puberulent, the flowers numerous, bowl-shaped, ca 2 mm long, equaling length of pedicel, not dense, interspersed with minute peltate bracts; tepals 4, fleshy, broadly oval, concave; stamens 4, opposite and as long as tepals; filaments arched. Pistillate racemes usually 1-8 cm long in flower (to 6 cm in fruit), the flowers to 3 mm long, numerous, not dense, interspersed with many small bracts; pedicels pink and elongating to 6-10 mm in fruit; perianth depressed-globose, thick, ca 1.5 mm long and to 2.3 mm wide, the upper margin held tightly around the style; style bifid, with short, stout, flattened lobes spread­ing and recurving above throat of perianth; ovary ovoid, weakly pubescent. Drupes subglobose, ca 8 mm diam, green with an orange or red tip, becoming bright red and finally purple at maturity; seed 1. Croat 4106, 5765.

Frequent in the forest. Flowers sometimes starting in April, but mostly June to November, with the fruits maturing from September to December (sometimes February).

Guatemala to Panama. In Panama, known principally from tropical moist forest in the Canal Zone, Bocas del Toro, Colón, Veraguas, Panama, and Darien; known also from tropical dry forest in Panama (Taboga Island), from premontane moist forest in Panama, from premontane wet forest in Coclé (El Valle), and from tropical wet forest in Colón,

Photos from STRI Digital Archive

  • Sorocea affinis flower-bud plant
  • Sorocea affinis flower
  • Sorocea affinis Inflorescence
  • Sorocea affinis flower plant
  • Sorocea affinis fruit
  • Sorocea affinis Infructescences
  • Sorocea affinis immature-fruit
  • Sorocea affinis immature-Infructescences
  • Sorocea affinis leaf
  • Sorocea affinis seed-wet